diff --git a/doc/source/admin/troubleshooting-guide.rst b/doc/source/admin/troubleshooting-guide.rst
index ce26c3ddda..373cc2f2b5 100644
--- a/doc/source/admin/troubleshooting-guide.rst
+++ b/doc/source/admin/troubleshooting-guide.rst
@@ -761,7 +761,7 @@ Simulating gate tests
           dest: devstack-gate
       EOF
       /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-          git://git.openstack.org \
+          https://git.openstack.org \
           openstack-infra/devstack-gate
       export PYTHONUNBUFFERED=true
       export DEVSTACK_GATE_TIMEOUT=240 # bump this if you see timeout issues.  Default is 120
@@ -776,8 +776,8 @@ Simulating gate tests
       export PROJECTS="openstack/magnum $PROJECTS"
       export PROJECTS="openstack/python-magnumclient $PROJECTS"
       export PROJECTS="openstack/barbican $PROJECTS"
-      export DEVSTACK_LOCAL_CONFIG="enable_plugin magnum git://git.openstack.org/openstack/magnum"
-      export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin ceilometer git://git.openstack.org/openstack/ceilometer"
+      export DEVSTACK_LOCAL_CONFIG="enable_plugin magnum https://git.openstack.org/openstack/magnum"
+      export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin ceilometer https://git.openstack.org/openstack/ceilometer"
       # Keep localrc to be able to set some vars in post_test_hook
       export KEEP_LOCALRC=1
       function gate_hook {
diff --git a/magnum/tests/contrib/gate_hook.sh b/magnum/tests/contrib/gate_hook.sh
index b4026959fb..9837489bc5 100755
--- a/magnum/tests/contrib/gate_hook.sh
+++ b/magnum/tests/contrib/gate_hook.sh
@@ -19,7 +19,7 @@ coe=$1
 special=$2
 
 export PROJECTS="openstack/barbican $PROJECTS"
-export DEVSTACK_LOCAL_CONFIG="enable_plugin heat git://git.openstack.org/openstack/heat"
+export DEVSTACK_LOCAL_CONFIG="enable_plugin heat https://git.openstack.org/openstack/heat"
 
 export DEVSTACK_LOCAL_CONFIG+=$'\n'"disable_service horizon"
 export DEVSTACK_LOCAL_CONFIG+=$'\n'"disable_service s-account"
@@ -55,7 +55,7 @@ elif [ "${coe}${special}" = "k8s-ironic" ]; then
     # NOTE(strigazi) keep cinder
     # export DEVSTACK_LOCAL_CONFIG+=$'\n'"disable_service cinder c-sch c-api c-vol"
 
-    export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin ironic git://git.openstack.org/openstack/ironic"
+    export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin ironic https://git.openstack.org/openstack/ironic"
 
     # NOTE(TheJulia): Ironic switched to "hardware types" in Queens and
     # removed legacy "drivers" in Rocky. "ipmi" superceeds *_ipmitool drivers.
@@ -93,6 +93,6 @@ else
 fi
 
 # Enable magnum plugin in the last step
-export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin magnum git://git.openstack.org/openstack/magnum"
+export DEVSTACK_LOCAL_CONFIG+=$'\n'"enable_plugin magnum https://git.openstack.org/openstack/magnum"
 
 $BASE/new/devstack-gate/devstack-vm-gate.sh
diff --git a/playbooks/magnum-buildimages-base.yaml b/playbooks/magnum-buildimages-base.yaml
index f8aea51e66..069371a996 100644
--- a/playbooks/magnum-buildimages-base.yaml
+++ b/playbooks/magnum-buildimages-base.yaml
@@ -15,7 +15,7 @@
           fi
 
           /usr/zuul-env/bin/zuul-cloner --cache-dir /opt/git \
-            git://git.openstack.org \
+            https://git.openstack.org \
             openstack/diskimage-builder \
             openstack/dib-utils \
             openstack/magnum $EXTRA_PROJECTS
diff --git a/playbooks/pre/prepare-workspace.yaml b/playbooks/pre/prepare-workspace.yaml
index 412a04a755..c2bb5d0339 100644
--- a/playbooks/pre/prepare-workspace.yaml
+++ b/playbooks/pre/prepare-workspace.yaml
@@ -16,7 +16,7 @@
               dest: devstack-gate
           EOF
           /usr/zuul-env/bin/zuul-cloner -m clonemap.yaml --cache-dir /opt/git \
-              git://git.openstack.org \
+              https://git.openstack.org \
               openstack-infra/devstack-gate
         executable: /bin/bash
         chdir: '{{ ansible_user_dir }}/workspace'